Mary Ellen Denny


Mary Ellen Denny, CPA, is the Principal of Systems Consulting at Wessel & Company with 22 years of experience at the firm. Mary supports the firm with her work in several areas including QuickBooks, AbilaMIP, Sage Software, corporate and individual tax preparation and accounting services. She services not-for-profit organizations and small & medium sized businesses.

Professional Background


Education and Associations

Mrs. Denny graduated from Indiana University of Pennsylvania with a Bachelor of Science in Accounting. Her associations include AICPA and PICPA.

Personal Background

Mary likes to spend time with family and friends, watch Penguins hockey and travel. She is also the Regional Business Networking’s (RBN) Secretary.